Honda HR-V Owners & Service Manuals

Honda HR-V: DTC B1926 Backup Control Anten Open or Short

Keyless Access Backup Control Unit - Diagnostics

DTC (Backup Control Unit)

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks.

1. Problem verification.

  1. Clear the DTCs with the HDS.

Clear DTCs

  1. Touch the engine start/stop switch with the keyless remote. The buttons on the keyless remote should be facing you.
  2. While holding the keyless remote against the engine start/stop switch, do this procedure 10 times without pressing the brake pedal: Turn the vehicle to the OFF (LOCK), ACCESSORY, ON, and OFF (LOCK) mode.
  3. Check for DTCs with the HDS.

Keyless Access Backup Control Unit - Diagnostics

Is DTC B1926 indicated?

YES

Replace the engine start/stop switch.

NO

Intermittent failure, the system is OK at this time. Check for loose or poor connections.

    READ NEXT:

     DTC B1931 Backup Control Unit No Response

    DTC (Backup Control Unit) NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN

     DTC U1280 (Keyless Access Backup Control Unit) B-CAN Communication Bus Line Error (BUS-OFF)

    DTC (Backup Control Unit) NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CA

     DTC U128D (Keyless Access Backup Control Unit) Backup Control Unit Lost Communication With Gauge Control Module

    NOTE: The DTC may be stored due to the grounding failure or the power source failure at the transmitting control unit (the grounding inspection and the power source inspection on each control unit a

    SEE MORE:

     How to Information

    HOW TO CONNECT THE HDS 1. Turn the vehicle to the OFF (LOCK) mode 2. Connect the HDS to the DLC (A) located under the driver's side of the dashboard. 3. Turn the vehicle to the ON mode, but do not start the engine. 4. Activate the HDS, then make sure the HDS communicates with the PCM and other v

     Cleaning Procedures

    * PLEASE READ THIS FIRST * NOTE: Examples used in this article are general in nature and do not necessarily relate to a specific engine or system. Illustrations and procedures have been chosen to guide mechanic through engine overhaul process. Descriptions of processes of cleaning, inspection, asse

    © 2019-2025 Copyright www.hohrv2.com